there are also delays on the west coast, from san francisco all the way up to seattle. take a look at the cold air that rushes behind the exiting system and know that these windchills are serious. from below zero, to below freezing to freezing in florida today. there's a real push of cold air behind it. a quick look at the big boards to show what you're in for today. it's mild in texas and oklahoma. >>> and coming up on "gma," the olympian leading a double-life. she comes clean on her secret side job. why did she do it? >>> plus, home for the holidays. these formerly conjoined twins, released from the hospital after miracle surgery. our exclusive visit with the happy family. >>> and was there really a great flood and noah's ark? we investigate and you won't believe the secrets revealed at the bottom of the ocean. we'll look at what the secrets revealed at the bottom of the ocean. at the bottom of the ocean. of west virginia? charleston. nutella is a delicious hazelnut spread my whole family loves. mom, have you seen my -- backpack? nutella goes great on whole-wheat toas